"When Chuck Norris divides by a fraction, he doesn't need to flip it.  It's already flipped for him."  Peter Ninchich
"Chuck Norris found infinity...and it's not big enough for him."  Anonymous
"Chuck Norris can make |x| = a negative number."  Ashley Ryan
"Chuck Norris can prove congruency with his eyes."  Maggie Wanner
"Chuck Norris can make a 4-sided triangle."  Jennifer Freeman
"Chuck Norris doesn't need to assume in proofs...he already knows."  John Mathias
"Chuck Norris knows the slope of a vertical line."  John Mathias
"Chuck Norris once divided by zero...and found two answers."  Kelvin Lu
I am always looking for more creative suggestions.  Email me and share!